Cost Estimate of B vs. C Grade Asphalt Binders

Yan, Tianhao; Marasteanu, Mihai; Turos, Mugurel; Barman, Manik; Manikavasagan, Vishruthi; Chakraborty, Manik

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Cost Estimate of B vs. C Grade Asphalt Binders

2023-05-01
By Yan, Tianhao ; Marasteanu, Mihai ; Turos, Mugurel

File Language:

English

Details

Creators:

Yan, Tianhao ; Marasteanu, Mihai ; Turos, Mugurel ; Barman, Manik ; Manikavasagan, Vishruthi ; Chakraborty, Manik
Corporate Creators:

University of Minnesota, Twin Cities. Department of Civil, Environmental, and Geo- Engineering
Corporate Contributors:

Minnesota. Department of Transportation. Office of Research & Innovation
Subject/TRT Terms:
Publication/ Report Number:

MN 2023-19
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Minnesota. Department of Transportation. Local Road Research Board
Abstract:

Polymer-modified binders (PMB) have been shown over the decades to improve the mechanical properties of asphalt mixtures compared to unmodified binders. Considering the higher initial cost of PMB, selecting the best alternative is very important, especially for local agencies given their limited budgets. A challenge in the materials selection process for low-volume roads is the limited information available, which could allow engineers to determine whether using PMB is cost-effective. In this research, we investigate the use of PG 58H-34 PMB binders (grade C) and PG58S-28 unmodified binders (grade B) for low-volume roads in Minnesota. Historical pavement performance data are analyzed to compare the field performance of modified and unmodified mixtures. Laboratory experiments are performed to compare the low-temperature cracking properties of polymer-modified and unmodified binders and mixtures commonly used in Minnesota. Based on the experimental results, a life-cycle cost analysis (LCCA) is performed comparing the use of polymer-modified and unmodified binders for low-volume roads in Minnesota. The results show that using PMBs for new construction is expected to extend the pavement service life by 6 years, and that using
Format:

PDF
Funding:

(c) 1036342 (wo) 20
Download URL:

https://rosap.ntl.bts.gov/view/dot/67898/dot_67898_DS1.pdf
File Type:

[PDF - 3.71 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:cff8f98e3026c8b128cbdd3455e115c541ce9dd789f2246507f5dcfbf65e52a9

File Language:

English

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